4-9
4. Troubleshooting
4-1-5. No Picture (Video_CVBS)
Symptom
Audio is normal but no picture is displayed on the screen.
-
Major
checkpoints
Check the Video Source
Check the M-star
This may happen when the LVDS cable connecting the Main Board and the Panel is disconnected.
-
-
-
Diagnostics
LA22B480Q1
LA26B480Q1, LA32B480Q1
No
Check a connection harness.
No
Power Indicator is off.
Lamp on, no picture.
Yes
Does the signal appear at R6006,
R6009(26”,32”) of IC6003?
Check a LVDS cable ?
Replcelcd panel?
Please, Call to Samsung Co. LTD.
Yes
Check a A/V cable and video signal.
Yes
1
2
Caution
Make sure to disconnect the power before working on the IP board.
www.freeservicemanuals.info
12/9/2016
Published in Heiloo, Holland
Summary of Contents for LA22B480Q1
Page 89: ...1 4 1 Precautions Memo www freeservicemanuals info 12 9 2016 Published in Heiloo Holland ...
Page 126: ...6 3 6 Wiring Diagram www freeservicemanuals info 12 9 2016 Published in Heiloo Holland ...
Page 127: ...6 4 6 Wiring Diagram www freeservicemanuals info 12 9 2016 Published in Heiloo Holland ...